A new report says that fewer women choose physics, technology and engineering careers due to hidden biases. But the science tells us something else entirely: most women have different interests and career preferences than men.

Many of us feel compelled to help after a humanitarian disaster such as Haiti's recent devastating earthquake. But &nbsp;all evidence points to psychological debriefing as a risky practice that can exacerbate traumatic symptoms in adults, and is completely untested in children.

It takes a special kind of open mind to speed-date an infant. This first post on the science of human attachments looks at serial parenting, and asks this provocative question: are human babies meant to be shared?